The top of a water tank is open to air and its water level is maintained. It is giving out 0.74 m³ water per minute through a circular opening of 2 cm radius in its wall. The depth of the centre of the opening from the level of water in the tank is close to:
(A) 6.0 m (B) 4.8 m
(C) 9.6 m (D) 2.9 m
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B. will be correct answers
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